Ryukyus

The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonaguni the westernmost. The larger are mostly high islands and the smaller mostly coral. The largest is Okinawa Island.

The climate of the islands ranges from humid subtropical climate (Köppen climate classification ''Cfa'') in the north to tropical rainforest climate (Köppen climate classification ''Af'') in the south. Precipitation is very high and is affected by the rainy season and typhoons. Except the outlying Daitō Islands, the island chain has two major geologic boundaries, the Tokara Strait (between the Tokara and Amami Islands) and the Kerama Gap (between the Okinawa and Miyako Islands). The islands beyond the Tokara Strait are characterized by their coral reefs.

The Ōsumi and Tokara Islands, the northernmost of the islands, fall under the cultural sphere of the Kyushu region of Japan; local inhabitants speak a variation of the Kagoshima dialect of Japanese. The Amami, Okinawa, Miyako, and Yaeyama Islands have a native population collectively called the Ryukyuan people, named for the former Ryukyu Kingdom that ruled them. The varied Ryukyuan languages are traditionally spoken on these islands, and the major islands have their own distinct languages. In modern times, the Japanese language is the primary language of the islands, with the Okinawan Japanese dialect prevalently spoken. The outlying Daitō Islands were uninhabited until the Meiji period, when their development was started mainly by people from the Izu Islands south of Tokyo, with the people there speaking the Hachijō language.

The islands were held by the United States after the 1951 Treaty of San Francisco concluded the Pacific War. They were returned to Japan under the 1971 Okinawa reversion agreement, with China disputing the Senkaku Islands.

Administratively, the islands are divided between two prefectures: the northern islands, collectively called the Satsunan Islands, are part of Kagoshima Prefecture (specifically Kagoshima District, Kumage Subprefecture/District, and Ōshima Subprefecture/District), while the southern part of the chain makes up Okinawa Prefecture. The divide is between the Amami and Okinawa Islands, with the Daitō Islands part of Okinawa Prefecture.

Geography

Island subgroups

The Ryukyu islands are commonly divided into two or three primary groups:
*either administratively, with the Northern Ryukyus being the islands in Kagoshima Prefecture (known in Japanese as the "Satsunan Islands") and the Southern Ryukyus being the islands in Okinawa Prefecture (known in Japanese as the "Ryukyu Islands"),
*or geologically, with the islands north of the Tokara Strait (Ōsumi and Tokara) being the Northern Ryukyus, those between the Tokara Strait and Kerama Gap (Amami and Okinawa) being the Central Ryukyus, and those south of the Kerama Gap (Miyako and Yaeyama) being the Southern Ryukyus.

The following are the grouping and names used by the Hydrographic and Oceanographic Department of the Japan Coast Guard.Ajiro Tatsuhiko and Warita Ikuo, ''Waga kuni no kōiki na chimei oyobi sono han'i ni tsuite no chōsa kenkyū'' (The geographical names and those extents of the wide areas in Japan), Kaiyō Jōhōbu Gihō, Vol. 27, 200
online edition
The islands are listed from north to south where possible.

*
**
*** with:
****Tanegashima, Yaku, Kuchinoerabu, Mageshima in the North-Eastern Group,
**** Takeshima, Iōjima, Kuroshima in the North-Western Group.
***: Kuchinoshima, Nakanoshima, Gajajima, Suwanosejima, Akusekijima, Tairajima, Kodakarajima, Takarajima
***: Amami Ōshima, Kikaijima, Kakeromajima, Yoroshima, Ukeshima, Tokunoshima, Okinoerabujima, Yoronjima
**
***: Okinawa Island, Kume, Iheya, Izena, Aguni, Ie (Iejima), Iōtorishima
****: Tokashiki, Zamami, Aka, Geruma
***
****: Miyakojima, Ikema, Ōgami, Irabu, Shimoji, Kurima-jima, Minna, Tarama
****: Iriomote, Ishigaki, Taketomi, Kohama, Kuroshima, Aragusuku, Hatoma, Yubujima, Hateruma, Yonaguni
****: Uotsurijima, Kuba Jima, Taisho Jima, Kita Kojima, Minami Kojima
**: Kita Daitō, Minami Daitō, Oki Daitō

The Geospatial Information Authority of Japan, another government organization that is responsible for standardization of place names, disagrees with the Japan Coast Guard over some names and their extent, but the two are working on standardization. They agreed on February 15, 2010, to use for the Amami Islands; prior to that, had also been used.

Climate

The climate of the Ryukyu islands is sub-tropical. It is significantly warmer than the main islands Kyushu, Shikoku and Honshu. There are occasional typhoons during the summer. Winter temperature is mild with optimal clearness of the ocean water.

Names and extents

The English and Japanese uses of the term "Ryukyu" differ. In English, the term Ryukyu may apply to the entire chain of islands, while in Japanese Ryukyu usually refers only to the islands that were previously part of the Ryūkyū Kingdom after 1624.

Nansei Islands

is the official name for the whole island chain in Japanese. Japan has used the name on nautical charts since 1907. Based on the Japanese charts, the international chart series uses ''Nansei Shoto''.

''Nansei'' literally means "southwest", the direction of the island chain from mainland Japan. Some humanities scholars prefer the uncommon term for the entire island chain.Yoshinari Naoki 吉成直樹, ''Maegaki'' まえがき, Yoshinari Naoki ed., Ryūkyū-ko kasanariau rekishi ninshiki 琉球弧・重なりあう歴史認識, pp. 5–10, 2007. In geology, however, the Ryukyu Arc includes subsurface structures such as the Okinawa Trough and extends to Kyushu.

During the American occupation of Amami, the Japanese government objected to the islands being included under the name "Ryukyu" in English because they worried that this might mean that the return of the Amami Islands to Japanese control would be delayed until the return of Okinawa. However, the American occupational government on Amami continued to be called the "Provisional Government for the Northern Ryukyu Islands" in English, though it was translated as in Japanese.

Ryukyu

The name of is strongly associated with the Ryukyu Kingdom, a kingdom that originated from the Okinawa Islands and subjugated the Sakishima and Amami Islands. The name is generally considered outdated in Japanese although some entities of Okinawa still bear the name, such as the local national university.

In Japanese, the cover only the Okinawa, Miyako, and Yaeyama Islands, while in English it includes the Amami and Daitō Islands. The northern half of the island chain is referred to as the Satsunan ("South of Satsuma") Islands in Japanese, as opposed to Northern Ryukyu Islands in English.

Humanities scholars generally agree that the Amami, Okinawa, Miyako, and Yaeyama Islands share much cultural heritage, though they are characterized by a great degree of internal diversity as well. There is, however, no good name for the group.Takahashi Takayo 高橋孝代, ''Esunishiti to aidentiti'' (エスニシティとアイデンティティ), Kyōkai no jinruigaku 境界性の人類学, pp. 165–248, 2006. The native population do not have their own name, since they do not recognize themselves as a group this size. ''Ryukyu'' is the principal candidate because it roughly corresponds to the maximum extent of the Ryūkyū Kingdom. However, it is not necessarily considered neutral by the people of Amami, Miyako, and Yaeyama, who were marginalized under the Okinawa-centered kingdom. The Ōsumi Islands are not included because they are culturally part of Kyushu. There is a high degree of confusion in use of Ryukyu in English literature. For example, Encyclopædia Britannica equates the Ryukyu Islands with Japanese ''Ryūkyū-shotō'' or ''Nansei-shotō'' in the definition but limits its scope to the Amami, Okinawa and Sakishima (Miyako and Yaeyama) in the content.

Historical usage

"''Ryūkyū''" is an exonym and is not a self-designation. The word first appeared in the ''Book of Sui'' (636). Its obscure description of Liuqiu () is the source of a never-ending scholarly debate about whether the name referred to Taiwan, Okinawa or both. Nevertheless, the ''Book of Sui'' shaped perceptions of Ryūkyū for a long time. Ryūkyū was considered a land of cannibals and aroused a feeling of dread among surrounding people, from Buddhist monk Enchin who traveled to Tang China in 858 to an informant of the ''Hyōtō Ryūkyū-koku ki'' who traveled to Song China in 1243.Tanaka Fumio 田中史生, ''Kodai no Amami Okinawa shotō to kokusai shakai'' 古代の奄美・沖縄諸島と国際社会, Ikeda Yoshifumi ed., Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 49–70, 2008. Later, some Chinese sources used "Great Ryukyu" () for Okinawa and "Lesser Ryukyu" () for Taiwan. Okinawan forms of "Ryūkyū" are or in Okinawan and in the Kunigami language. An Okinawan man was recorded as having referred to himself as a "Doo Choo man" during Commodore Matthew C. Perry's visit to the Ryūkyū Kingdom in 1852.

From about 1829 until the mid-20th century, the islands' English name was spelled ''Luchu'', ''Loochoo'', ''Loo-choo'', or ''Lewchew'', all pronounced . These spellings were based on the Okinawan form , as well as the Chinese pronunciation of the characters "", which in Mandarin is ''Liúqiú''.

Okinawa

, ''Okinawa'' in Okinawan, is originally a native name for the largest island in the island chain. The island was referred to as in the 8th century biography of Jianzhen (唐大和上東征傳). It is also specified as in hiragana in the collection of , known as Ryukyu's official poetry book. It was not until the 18th century that Okinawa was specified in its own script as 沖縄.

The Japanese map series known as the Ryukyu Kuniezu lists the island as in 1644 and after 1702. The name ''Okinawa Shima'' was chosen by the Meiji government for the new prefecture when they annexed the Ryukyu Kingdom in 1879.

Outside of Okinawa Prefecture, the word "Okinawa" is used to refer to Okinawa Prefecture and does not include Kagoshima Prefecture. (People from the Amami Islands, Kagoshima Prefecture object to being included in "Okinawa".) Inside Okinawa Prefecture, "Okinawa" is used to refer to Okinawa Island, and does not include the Miyako and Yaeyama Islands. People in the Yaeyama Islands use the expression "go to Okinawa" when they visit Okinawa Island.

Some scholars group the Amami and Okinawa Islands together because in some respects (e.g. from a linguistic point of view) Amami is closer to Okinawa than to Miyako and Yaeyama, but there is no established single-word term for the group since the native population had not felt the need for such a concept. Japanese scholars use "Amami–Okinawa" while American and European scholars use "Northern Ryukyuan".

Southern Islands

The folklorist Kunio Yanagita and his followers used . This term was originally used by the imperial court of Ancient Japan. Yanagita hypothesized that the southern islands were the origin of the Japanese people and preserved many elements that were subsequently lost in Japan. The term is outdated today.

History

The Eastern Islands of Liukiu

The first mention of the islands in Chinese literature occur in the Annals of the Qin Dynasty. Qin Shi Huang heard of "happy immortals" living on the Eastern Islands, so he sent expeditions there to find the source of immortality, to no avail. Based on Ryukyuan folklore on Kudaka Island, some scholars believe that these expeditions succeeded in reaching Japan and launched a social and agricultural revolution there. The Eastern Islands are again mentioned as the land of immortals in the Annals of the Han Dynasty.

In 601, the Chinese sent an expedition to the "Country of Liukiu" (). They noted that the people were small but pugnacious. The Chinese couldn't understand the local language and returned to China. In 607, they sent another expedition to trade, and brought back one of the islanders. A Japanese embassy was in Loyang when the expedition returned, and one of the Japanese exclaimed that the islander wore the dress and spoke the language of Yaku Island. In 610, a final expedition was sent with an army that demanded submission to the Chinese Emperor. The islanders fought the Chinese, but their "palaces" were burned and "thousands" of people were taken captive, and the Chinese left the island.

Ancient Japan's Southern Islands

The island chain appeared in Japanese written history as . The first record of the Southern Islands is an article of 618 in the '' Nihonshoki'' (720) which states that people of followed the Chinese emperor's virtue. In 629, the imperial court dispatched an expedition to ''Yaku''. ''Yaku'' in historical sources was not limited to modern-day Yakushima but seems to have covered a broader area of the island chain. In 657, several persons from arrived at Kyushu, reporting that they had first drifted to , which is the first attested use of ''Amami''.Yasutani Suzuki 鈴木靖民, ''Nantō-jin no raichō wo meguru kisoteki kōsatsu'' 南島人の來朝をめぐる基礎的考察, Higashi Ajia to Nihon 東アジアと日本, pp. 347–98, 1987.

Articles of the late 7th century give a closer look at the southern islands. In 677, the imperial court gave a banquet to people from . In 679, the imperial court sent a mission to Tane Island. The mission carried some people from the southern islands who were described as the peoples of Tane, Yaku, and in the article of 682. According to the '' Shoku Nihongi'' (797), the imperial court dispatched armed officers in 698 to explore the southern islands. As a result, people of Tane, Yaku, Amami and ''Dokan'' visited the capital (then Fujiwara-kyō) to pay tribute in the next year. Historians identify ''Dokan'' as Tokunoshima of the Amami Islands. An article of 714 reports that an investigative team returned to the capital, together with people of Amami, , and among others. ''Shigaki'' should be Ishigaki Island of the Yaeyama Islands. Some identify ''Kumi'' as Iriomote Island of the Yaeyama Islands because Komi is an older name for Iriomote. Others consider that ''Kumi'' corresponded to Kume Island of the Okinawa Islands. Around this time "Southern Islands" replaced Yaku as a collective name for the southern islands.

In the early 8th century, the northern end of the island chain was formally incorporated into the Japanese administrative system. After a rebellion was crushed, Tane Province was established around 702. Tane Province consisted of four districts and covered Tanegashima and Yakushima. Although the tiny province faced financial difficulties from the very beginning, it was maintained until 824 when it was merged into Ōsumi Province.Izumi Haraguchi 原口泉, Shūichi Nagayama 永山修一, Masamori Hinokuma 日隈正守, Chitoshi Matsuo 松尾千歳, Takeichi Minamura 皆村武一: ''Kagoshima-ken no rekishi'' 鹿兒島縣の歴史, 1999.

Ancient Japan's commitment to the southern islands is attributed to ideological and strategic factors. Japan applied to herself the Chinese ideology of emperorship that required "barbarian people" who longed for the great virtue of the emperor. Thus Japan treated people on its periphery, i.e., the Emishi to the east and the Hayato and the Southern Islanders to the south, as "barbarians". The imperial court brought some of them to the capital to serve the emperor. The ''New Book of Tang'' (1060) states at the end of the chapter of Japan that there were three little princes of , , and . This statement should have been based on a report by Japanese envoys in the early 8th century who would have claimed the Japanese emperor's virtue. At the site of Dazaifu, the administrative center of Kyushu, two wooden tags dated in the early 8th century were unearthed in 1984, which read and respectively. The latter seems to correspond to Okinoerabu Island. These tags might have been attached to "red woods", which, according to the ''Engishiki'' (927), Dazaifu was to offer when they were obtained from the southern islands.

The southern islands had strategic importance for Japan because they were on one of the three major routes used by Japanese missions to Tang China (630–840). The 702 mission seems to have been the first to successfully switch from the earlier route via Korea to the southern island route. The missions of 714, 733 and 752 probably took the same route. In 754 the Chinese monk Jianzhen managed to reach Japan. His biography ''Tō Daiwajō Tōseiden'' (779) makes reference to on the route, which may refer to modern-day Okinawa Island. An article of 754 states that the government repaired mileposts that had originally been set in the southern islands in 735. However, the missions from 777 onward chose another route that directly connected Kyūshū to China. Thereafter the central government lost its interest in the southern islands.

Kikaigashima and Iōgashima

The southern islands reappeared in written history at the end of the 10th century. According to the ''Nihongi ryaku'' (c. 11th–12th centuries), Dazaifu, the administrative center of Kyushu, reported that the ''Nanban'' (southern barbarians) pirates, who were identified as Amami islanders by the ''Shōyūki'' (982–1032 for the extant portion), pillaged a wide area of Kyūshū in 997. In response, Dazaifu ordered to arrest the ''Nanban''. This is the first attested use of ''Kikaigashima'', which is often used in subsequent sources.Yasutami Suzuki 鈴木靖民, ''Kikai-jima Gusuku isekigun to kodai nantō shakai'' 喜界島城久遺跡群と古代南島社会, Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 17–48, 2008.

The series of reports suggest that there were groups of people with advanced sailing technology in Amami and that Dazaifu had a stronghold in Kikai Island. In fact, historians hypothesize that the Amami Islands were incorporated into a trade network that connected it to Kyūshū, Song China and Goryeo. In fact, the ''Shōyūki'' recorded that in the 1020s, local governors of southern Kyūshū presented to the author, a court aristocrat, local specialties of the southern islands including the Chinese fan palm, red woods, and shells of Green Turban Shell. The '' Shinsarugakuki'', a fictional work written in the mid-11th century, introduced a merchant named Hachirō-mauto, who traveled all the way to the land of the Fushū in the east and to in the west. The goods he obtained from the southern islands included shells of Green Turban Shell and sulfur. The ''Shinsarugakuki'' was not mere fiction; the Golden Hall of Chūson-ji (c. 1124) in northeastern Japan was decorated with tens of thousands of green turban shells.

Some articles of 1187 of the ''Azuma Kagami'' state that Ata Tadakage of Satsuma Province fled to sometime around 1160. The ''Azuma Kagami'' also states that in 1188 Minamoto no Yoritomo, who soon became the ''shōgun'', dispatched troops to pacify . It was noted that the imperial court objected the military expedition claiming that it was beyond Japan's administration. The '' Tale of the Heike'' (13th century) depicted , where Shunkan, Taira no Yasuyori, and Fujiwara no Naritsune were exiled following the Shishigatani Incident of 1177. The island depicted, characterized by sulfur, is identified as Iōjima of the Ōsumi Islands, which is part of Kikai Caldera. Since China's invention of gunpowder made sulfur Japan's major export, Sulfur Island or ''Iōgashima'' became another representative of the southern islands. It is noted by scholars that the character representing the first syllable of ''Kikai'' changed from to from the end of the 12th century to the early 13th century.Osamu Takanashi 高梨修, ''Gusuku isekigun to Kikai-ga-shima'' 城久遺跡群とキカイガシマ, Nichiryū Bōeki no reimei 日琉交易の黎明, pp. 121–149, 2008

The literature-based theory that Kikai Island was Japan's trade center of the southern islands is supported by the discovery of the Gusuku Site Complex in 2006. The group of archaeological sites on the plateau of Kikai Island is one of the largest sites of the era. It lasted from 9th to 13th centuries and at its height from the second half of the 11th to the first half of the 12th century. It was characterized by a near-total absence of the native Kaneku Type pottery, which prevailed in coastal communities. What were found instead were goods imported from mainland Japan, China and Korea. Also found was the Kamuiyaki pottery, which was produced in Tokunoshima from the 11th to 14th centuries. The skewed distribution of Kamuiyaki peaked at Kikai and Tokunoshima suggests that the purpose of Kamuiyaki production was to serve it to Kikai.Osamu Takanashi 高梨修, ''Rettō nan'en ni okeru kyōkai ryōiki no yōsō'' 列島南縁における境界領域の様相, Kodai makki Nihon no kyōkai 古代末期・日本の境界, pp. 85–130, 2010

Shimazu Estate and Kamakura shogunate's expansion

Around the Hōen era (1135–1141), Tanegashima became part of Shimazu Estate on southern Kyūshū. The Shimazu Estate was said to have established at Shimazu, Hyūga Province in 1020s and dedicated to '' Kanpaku'' Fujiwara no Yorimichi. In the 12th century, Shimazu Estate expanded to a large portion of the Satsuma and Ōsumi Provinces including Tanegashima.

Koremune no Tadahisa, a retainer of the Fujiwara family, was appointed as a steward of Shimazu Estate in 1185. He was then named ''shugo'' of Satsuma and Ōsumi (and later Hyūga) Provinces by first ''shōgun'' Minamoto no Yoritomo in 1197. He became the founder of the Shimazu clan. Tadahisa lost power when his powerful relative Hiki Yoshikazu was overthrown in 1203. He lost the positions of ''shugo'' and ''jitō'' and only regained the posts of ''shugo'' of Satsuma Province and ''jitō'' of the Satsuma portion of Shimazu Estate. The ''shugo'' of Ōsumi Province and ''jitō'' of the Ōsumi portion of Shimazu Estate, both of which controlled Tanegashima, were succeeded by the Hōjō clan (especially its Nagoe branch). The Nagoe family sent the Higo clan to rule Ōsumi. A branch family of the Higo clan settled in Tanegashima and became the Tanegashima clan.

The islands other than Tanegashima were grouped as the Twelve Islands and treated as part of Kawanabe District, Satsuma Province. The Twelve Islands were subdivided into the and the . The Near Five consisted of the Ōsumi Islands except Tanegashima while the Remote Seven corresponded to the Tokara Islands. After the Jōkyū War in 1221, the ''jitō'' of Kawanabe District was assumed by the Hōjō Tokusō family. The Tokusō family let its retainer Chikama clan rule Kawanabe District. In 1306, Chikama Tokiie created a set of inheritance documents that made reference to various southern islands. The islands mentioned were not limited to the Twelve but included Amami Ōshima, Kikai Island and Tokunoshima (and possibly Okinoerabu Island) of the Amami Islands. An extant map of Japan held by the Hōjō clan describes Amami as a "privately owned district". The Shimazu clan also claimed the rights to the Twelve. In 1227 ''Shōgun'' Kujō Yoritsune affirmed Shimazu Tadayoshi's position as the ''jitō'' of the Twelve Islands among others. After the Kamakura shogunate was destroyed, the Shimazu clan increased its rights. In 1364, it claimed the "eighteen islands" of Kawanabe District. In the same year, the clan's head Shimazu Sadahisa gave his son Morohisa properties in Satsuma Province including the Twelve Islands and the "extra five" islands. The latter must be the Amami Islands.Shūichi Nagayama 永山修一, ''Bunken kara mita Kikaigashima'' 文献から見たキカイガシマ, Yoshifumi Ikeda ed., Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 123–150, 2008.

Tanegashima under the Tanegashima clan

The Tanegashima clan came to rule Tanegashima on behalf of the Nagoe family but soon became autonomous. It usually allied with, sometimes submitted itself to, and sometimes antagonized the Shimazu clan on mainland Kyūshū. The Tanegashima clan was given Yakushima and Kuchinoerabu Island by Shimazu Motohisa in 1415. In 1436, it was given the Seven Islands of Kawanabe District, Satsuma Province (the Tokara Islands) and other two islands by Shimazu Mochihisa, the head of a branch family.''Kagoshima-ken shi'' 鹿兒島縣史 Vol.1, pp. 1933.

Tanegashima is known in Japanese history for the introduction of European firearms to Japan. Around 1543, a Chinese junk with Portuguese merchants on board was driven to Tanegashima. Tanegashima Tokitaka succeeded in reproducing matchlock rifles obtained from the Portuguese. Within a few decades, firearms, then known as ''tanegashima'', were spread across Sengoku Japan.

Toyotomi Hideyoshi's reunification of Japan finalized the Tanegashima clan's status as a senior vassal of the Shimazu clan. It was relocated to Chiran of mainland Kyūshū in 1595. Although it moved back to Tanegashima in 1599, Yakushima and Kuchinoerabu Island fall under the direct control of the Shimazu clan. These islands all constituted Satsuma Domain during the Edo period.

Amami and Tokara Islands

The Amami Islands were a focal point for dispute between the southward-expanding Satsuma Domain and the northward-expanding Ryukyu Kingdom. In 1453, a group of Koreans were shipwrecked on Gaja Island, where they found the island half under the control of Satsuma and half under the control of Ryukyu. Gaja Island is only 80 miles from Satsuma's capital at Kagoshima City. The Koreans noted that the Ryukyuans used guns "as advanced as in orea. Other records of activity in the Amami Islands show Shō Toku's conquest of Kikai Island in 1466, a failed Satsuma invasion of Amami Ōshima in 1493, and two rebellions on Amami Ōshima during the 16th century. The islands were finally conquered by Satsuma during the 1609 Invasion of Ryukyu. The Tokugawa shogunate granted Satsuma the islands in 1624. During the Edo Period, Ryukyuans referred to Satsuma's ships as "Tokara ships".

Okinawa Islands

Polities of the Okinawa Islands were unified as the Ryūkyū Kingdom in 1429, a tributary state of the Ming Imperial China. The kingdom conquered the Miyako and Yaeyama Islands. At its peak, it also subjected the Amami Islands to its rule. In 1609, Shimazu Tadatsune, Lord of Satsuma, invaded the Ryūkyū Kingdom with a fleet of 13 junks and 2,500 samurai, thereby establishing suzerainty over the islands. They faced little opposition from the Ryukyuans, who lacked any significant military capabilities, and who were ordered by King Shō Nei to surrender rather than to suffer the loss of precious lives. After that, the kings of the Ryukyus paid tribute to the Japanese ''shōgun'' as well as to the Chinese emperor. During this period, Ryukyu kings were selected by a Japanese clan, unbeknownst to the Chinese, who believed the Ryukyus to be a loyal tributary. In 1655, the tributary relations between Ryukyu and Qing were formally approved by the shogunate. In 1874, the Ryukyus terminated tribute relations with China.Lin, Man-houng Lin
"The Ryukyus and Taiwan in the East Asian Seas: A Longue Durée Perspective"
, ''Asia-Pacific Journal: Japan Focus''. October 27, 2006, translated and abridged from ''Academia Sinica Weekly'', No. 1084. 24 August 2006.

In 1872, the Japanese government established the Ryukyu ''han'' under the jurisdiction of the Foreign Ministry. In 1875, jurisdiction over the Ryukyus changed from the Foreign Ministry to the Home Ministry. In 1879, the Meiji government announced the annexation of the Ryukyus, establishing it as Okinawa Prefecture and forcing the Ryukyu king to move to Tokyo. When China signed the Treaty of Shimonoseki after its 1895 defeat in the First Sino-Japanese War, China officially abandoned its claims to the Ryukyus.

American military control over Okinawa began in 1945 with the establishment of the United States Military Government of the Ryukyu Islands, which in 1950 became the United States Civil Administration of the Ryukyu Islands. Also in 1950, the was formed, which evolved into the in 1951. In 1952, the U.S. was formally granted control over Ryukyu Islands south of 29°N latitude, and other Pacific islands, under the San Francisco Peace Treaty between the Allied Powers and Japan. The Ryukyu Provisional Central Government then became the Government of the Ryukyu Islands which existed from 1952 to 1972. Administrative rights reverted to Japan in 1972, under the 1971 Okinawa Reversion Agreement.

Today, numerous issues arise from Okinawan history. Some Ryukyuans and some Japanese feel that people from the Ryukyus are different from the majority Yamato people. Some natives of the Ryukyus claim that the central government is discriminating against the islanders by allowing so many American soldiers to be stationed on bases in Okinawa with a minimal presence on the mainland. Additionally, there is some discussion of secession from Japan. As the territorial dispute between China and Japan over the Senkaku Islands intensified in the early 21st century, Communist Party of China-backed scholars published essays calling for a reexamination of Japan's sovereignty over the Ryukyus. In 2013 ''The New York Times'' described the comments by said scholars as well as military figures as appearing to constitute "a semiofficial campaign in China to question Japanese rule of the islands", noting that "almost all the voices in China pressing the Okinawa issue are affiliated in some way with the government". Taiwan also claims the Senkaku islands but made it clear on multiple occasions that they will not work with China over the Senkaku Islands dispute.

Many popular singers and musical groups come from Okinawa Prefecture. These include the groups Speed and Orange Range, as well as solo singers Namie Amuro and Gackt, among many others.

Historical description of the "''Loo-Choo''" islands

The islands were described by Hayashi Shihei in ''Sangoku Tsūran Zusetsu'', which was published in 1785.

An article in the 1878 edition of the ''Globe Encyclopaedia of Universal Information'' describes the islands:Ross, J.M. (editor) (1878)
"Globe Encyclopaedia of Universal Information"
, Vol. IV, Edinburgh-Scotland, Thomas C. Jack, Grange Publishing Works, retrieved from Google Books 2009-03-18
:

''Loo-Choo, Lu-Tchu'', or ''Lieu-Kieu'', a group of thirty-six islands stretching from Japan to Formosa, in 26°–27°40′ N. lat., 126°10′–129°5′ E. long., and tributary to Japan. The largest, Tsju San ('middle island'), is about 60 miles long and 12 ilesbroad; others are Sannan in the outhand Sanbok in the orth Nawa, the chief port of Tsju San, is open to foreign commerce. The islands enjoy a magnificent climate and are highly cultivated and very productive. Among the productions are tea, rice, sugar, tobacco, camphor, fruits, and silk. The principal manufactures are cotton, paper, porcelain, and lacquered ware. The people, who are small, seem a link between the Chinese and Japanese.

Population

Ryukyuan native people

During the Meiji Period, Ryukyuan ethnic identity, tradition, culture and language were suppressed by the Meiji government, which sought to assimilate the Ryukyuan people as Japanese (Yamato). Many ethnic Japanese migrated to the Ryukyu Islands and mixed with the Ryukyuan people.

The residents of the island chain are Japanese citizens. Labeling them as Japanese poses no problem with regard to the Ōsumi Islands and Tokara Islands in the north, but there are problems about the ethnicity of the residents of the central and southern groups of the island chain.

Scholars who recognize shared heritage among the native population of the Amami, Okinawa, Miyako and Yaeyama Islands label them as . But nowadays, the residents of these Ryukyu Islands do not identify themselves as such, although they share the notion that they are somewhat different from Japanese, whom they call "Yamato" or "Naicha". Now, they usually express self-identity as the native of a particular island. Their identity can extend to an island and then to Japan as a whole, but rarely to intermediate regions.

For example, the people of Okinawa Island refer to themselves as and the people of Okinoerabujima in the Amami Islands call themselves the , while referring to the Okinawans as ''Uchinaanchu'' or , as they consider themselves distinct from the Okinawans. Other terms used include and in the Amami Islands, in the Yaeyama Islands, on Yoronjima and in the Miyako Islands.

Religion

The indigenous Ryukyuan religion is generally characterized by ancestor worship (more accurately termed "ancestor respect") and the respecting of relationships between the living, the dead, and the gods and spirits of the natural world. Some of its beliefs are indicative of its ancient animistic roots, such as those concerning '' local spirits'' and many other beings classified between gods and humans.

Ryukyuan religious practice has been influenced by Chinese religions (Taoism, Confucianism, and folk beliefs), Buddhism and Japanese Shinto.

Roman Catholics are pastorally served by their own Roman Catholic Diocese of Naha, which was founded in 1947 as the "Apostolic Administration of Okinawa and the Southern Islands".

Ecology

Biogeographic boundaries

Watase's Line marks a major biogeographic boundary. The Ōsumi islands north of the line belong to the Palearctic realm while the Amami islands south of it are at the northern limit of the Indomalayan realm. A deep undersea canyon, the Tokara Gap, lies to the east of the Tokara islands, but where the line crosses the island chain is disputed. It has been "placed between Akusekijima and Kodakarajima islands of the Tokara archipelago", but there is variation throughout the Tokaras, with multiple inter-island gaps having similar influence. Species diffusion among the Tokara islands is thought to have been over sea, not via land bridge, and their faunal composition also depends on other factors such as island size.

Miyake's line for insects lies between Kyūshū and the Ōsumi island groups, and Hachisuka's line for birds between the Okinawa and Miyako groups.

Yakushima

Yakushima in Ōsumi is the southern limit of the Palearctic realm. It features millennium-old cedar trees. The island is part of Kirishima-Yaku National Park and was designated as World Heritage Site by UNESCO in 1993.

Amami, Okinawa, Miyako, and Yaeyama

The south of Watase's Line is recognized by ecologists as a distinct subtropical moist broadleaf forest ecoregion. The flora and fauna of the islands have much in common with Taiwan, the Philippines, and Southeast Asia, and are part of the Indomalayan realm.

The coral reefs are among the World Wildlife Fund's Global 200 ecoregions. The reefs are endangered by sedimentation and eutrophication, which result from agriculture as well as fishing.

Mammals endemic to the islands include Amami Rabbit, Ryukyu flying fox, Ryukyu long-tailed giant rat, Ryukyu shrew and perhaps Iriomote cat.

Birds found in the Ryukyus include the Amami woodcock, the Izu thrush, the Japanese paradise flycatcher, the narcissus flycatcher, the Okinawa rail (''yanbaru kuina''), the Lidth's Jay

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